<template>
  <div class="login_container">
    <el-row>
      <el-col :span="12" :xs="0"></el-col>
      <el-col :span="12" :xs="24">
        <!-- 登录的表单 -->
        <el-form
          class="login_form"
          :model="loginForm"
          :rules="rules"
          ref="loginForms"
        >
          <h1>Hello</h1>
          <h2>欢迎来到运营平台</h2>
          <el-form-item prop="username">
            <el-input
              :prefix-icon="User"
              v-model="loginForm.username"
            ></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              type="password"
              :prefix-icon="Lock"
              v-model="loginForm.password"
              show-password
            ></el-input>
          </el-form-item>
          <el-form-item>
            <el-button
              :loading="loading"
              class="login_btn"
              type="primary"
              size="default"
              @click="login"
              >登录</el-button
            >
          </el-form-item>
        </el-form>
      </el-col>
    </el-row>
  </div>
</template>

<script setup lang="ts">
import { User, Lock } from "@element-plus/icons-vue";
import { reactive, ref } from "vue";
import useUserStore from "@/store/modules/user.ts";
import { useRouter } from "vue-router";
import { ElNotification } from "element-plus";
import { getTime } from "@/utils/time";

//定义变量控制加载效果
let loading = ref(false);
//用户名校验
const validateUsername = (rule: any, value: any, callback: any) => {
  if (value.length >= 5) {
    callback();
  } else {
    callback(new Error("用户名至少五个字符"));
  }
};
let rules = {
  username: [{ trigger: "blur", validator: validateUsername }],
  password: [
    { required: true, message: "请输入密码", trigger: "blur" },
    { min: 6, max: 15, message: "长度在 6 到 15 个字符", trigger: "blur" },
  ],
};
//获取路由
let router = useRouter();
//获取仓库
let userStore = useUserStore();
//表单ref
let loginForms = ref();

//表单数据
let loginForm = reactive({ username: "admin", password: "111111" });
//登录
const login = async () => {
  //表单验证
  await loginForms.value.validate();
  loading.value = true;
  //请求成功->展示数据;请求失败->提示错误
  try {
    await userStore.userLogin(loginForm);
    //编程式导航，跳转首页
    router.push("/");
    ElNotification({
      message: "登录成功",
      type: "success",
      title: `Hi，${getTime()}好`,
    });
    loading.value = false;
  } catch (error: any) {
    loading.value = false;
    ElNotification({
      message: error.message,
      type: "error",
    });
  }
};
</script>
<style scoped lang="scss">
.login_container {
  width: 100%;
  height: 100vh;
  background: url("@/assets/images/background.jpg") no-repeat;
  background-size: cover;

  .login_form {
    position: relative;
    width: 80%;
    top: 30vh;
    background: url("@/assets/images/login_form.png") no-repeat;
    background-size: cover;
    padding: 40px;

    h1 {
      color: white;
      font-size: 40px;
    }

    h2 {
      font-size: 20px;
      color: white;
      margin: 20px 0px;
    }

    .login_btn {
      width: 100%;
    }
  }
}
</style>
